Fan housing



FIG. 1 is a side perspective view of a fan housing showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side elevation being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a back plan view thereof.

The broken-line showing of environmental structure in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a fan housing, as shown and described. 